Some minor UI tweaks

data/gtk/window.blp

-// SPDX-FileCopyrightText: 2022-2023 Bruce Cowan <bruce@bcowan.me.uk>
+// SPDX-FileCopyrightText: 2022-2024 Bruce Cowan <bruce@bcowan.me.uk>
 //
 // SPDX-License-Identifier: GPL-3.0-or-later
 
@@ -7,9 +7,10 @@ using Adw 1;
 
 template $RugbyAppWindow : Adw.ApplicationWindow {
   title: "Rugby";
+  width-request: 360;
+  height-request: 294;
 
   Adw.ToolbarView {
-
     [top]
     Adw.HeaderBar {
       SpinButton scorespin {
@@ -24,7 +25,7 @@ template $RugbyAppWindow : Adw.ApplicationWindow {
       ToggleButton filter_toggle {
         action-name: "win.show-try-filter";
         icon-name: "funnel";
-        tooltip-text: "Show Try Filter";
+        tooltip-text: "Show Try Filter (Ctrl+F)";
       }
 
       [end]
@@ -32,7 +33,7 @@ template $RugbyAppWindow : Adw.ApplicationWindow {
         direction: none;
         primary: true;
         menu-model: app_menu;
-        tooltip-text: "Main Menu";
+        tooltip-text: "Main Menu (F10)";
       }
     }
 
@@ -59,9 +60,9 @@ template $RugbyAppWindow : Adw.ApplicationWindow {
       }
 
       Stack stack {
+
         StackPage {
           name: "empty_page";
-
           child: Adw.StatusPage {
             icon-name: "list";
             title: "No possibilities";
@@ -70,7 +71,6 @@ template $RugbyAppWindow : Adw.ApplicationWindow {
 
         StackPage {
           name: "list_page";
-
           child: ScrolledWindow {
             vexpand: true;